Change for why: it's bad data structure and is hard to use. As you're finding out.
Change for what: rather than store everything as a comma-separated list, store everything in a table with one row per page per keyword.

Change for why: it's bad data structure and is hard to use. As you're finding out.
Change for what: rather than store everything as a comma-separated list, store everything in a table with one row per page per keyword.
So the question stands: can you change the database structure?

okay , requinix
maybe u are right ... but i can't change for that actually
listen i use that Function for same database and same field

okay .. i understand
I did not ask you to write new function
I thought that there already function Available for this job
and i don't yell , sorry but u want me modification the database and i don't want do this ...
thnx ... requinix